---
tag: T3SXVH3ZZC
kind: concept
name: Clause (logic)
aliases: [empty-clause]
sources:
  - wikipedia: en:4638484@r1369526364
    locator: Clause (logic)
    note: adopted
    mention: wikipedia://en/4638484
    sections: [Summary]
same_as:
  wikidata: Q1228746
  wikipedia: Clause (logic)
inventory: [AF46NT23PP]
---

## Summary

In logic, a **clause** is a propositional formula formed from a finite collection of literals (atoms or their negations) and logical connectives. A clause is true either whenever at least one of the literals that form it is true (a disjunctive clause, the most common use of the term), or when all of the literals that form it are true (a conjunctive clause, a less common use of the term). That is, it is a finite [[disjunction|0F72FK8EKB]] or [[conjunction|025YZN3VJW]] of literals, depending on the context. Clauses are usually written as follows, where the symbols $l_i$ are literals: